Invention Grant
US08969935B2 Semiconductor memory device having plural cell capacitors stacked on one another and manufacturing method thereof 有权
具有彼此堆叠的多个电池电容器的半导体存储器件及其制造方法

  • Patent Title: Semiconductor memory device having plural cell capacitors stacked on one another and manufacturing method thereof
  • Patent Title (中): 具有彼此堆叠的多个电池电容器的半导体存储器件及其制造方法
  • Application No.: US13439423
    Application Date: 2012-04-04
  • Publication No.: US08969935B2
    Publication Date: 2015-03-03
  • Inventor: Hiroyuki Uchiyama
  • Applicant: Hiroyuki Uchiyama
  • Applicant Address: LU Luxembourg
  • Assignee: PS4 Luxco S.A.R.L.
  • Current Assignee: PS4 Luxco S.A.R.L.
  • Current Assignee Address: LU Luxembourg
  • Priority: JP2011-082375 20110404
  • Main IPC: H01L27/108
  • IPC: H01L27/108 H01L49/02
Semiconductor memory device having plural cell capacitors stacked on one another and manufacturing method thereof
Abstract:
Disclosed herein is a device that includes a semiconductor substrate having a first area, a plurality of cell transistors arranged on the first area of the semiconductor substrate, and a plurality of cell capacitors each coupled to an associated one of the cell transistors, the cell capacitors being provided so as to overlap with one another on the first area.
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